9/2 or 4½
There are only 2 halves to any number. If you mean how many halves are in 4 wholes: Since there are 2 halves to a whole, you multiply 2 x 4, which gives you a total of 8 halves in 4 wholes.
You can make 4 wholes from 8 halves.
2 ÷ 1/2 = 2 x 2/1 = 4 Alternatively: 1 whole is 2 halves → 2 wholes = 2 x 2 halves = 4 halves.
10
8
0.2766
,
3 halves squared is 2.25
There are 8 halves in 4.4 divided by 12 is 1/3.
8
4 = 8/2.